In the Meselson-Stahl experiment, if the semiconservative model was correct, what was the expected composition of DNA molecules after two rounds of replication

Which flexible structure that supports the nerve cord and led to the backbone

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half